APA (7th ed.) Citation

Küng, H. (1971). Ecumenism: The Petrine ministry in the Church. Concilium.

Chicago Style (17th ed.) Citation

Küng, Hans. "Ecumenism: The Petrine Ministry in the Church." Concilium 1971.

MLA (8th ed.) Citation

Küng, Hans. "Ecumenism: The Petrine Ministry in the Church." Concilium, 1971.

Warning: These citations may not always be 100% accurate.